Improvement in sole-edge-burnishing machines for boots and shoes



A. c'. CAREY.

improvement in Sole-Edge Burnis'hinfg-Machines for Boots and Shoes.

Patented .luy 16, l1872.

7.. l m if 7u Wtt asses.

UNITEDI'IATEs PATENT OFFICE.

AUGUSTUS C. CAREY, OF MALDEN, ASSIGNOR TO HIMSELF AND DEAN PEA,e BODY,OF LYNN, MASSACHUSETTS.

IMPROVEMENT IN SOLE-EDGE-BURNISHING MACHINES FOR BOOTS AND SHOES.

Specication forming part of Letters Patent No. 129,457, dated July 16,1872.

To all lwhom it may concern:

Be it known that I, AUGUsTUs C. CAREY, of Malden, in the county ofMiddlesex and State of Massachusetts, have invented an Improvement inEdge-Burnishing Machines; and I do hereby declare that the following,taken in connection with the drawing which accompanies and forms part ofthis specification, is a description of my invention sufficient toenable those skilled in the art to practice it.

. In burnishingthe edges of the soles and heels of boots and shoes it iscustomary to use sometimes a rotary burnishing-wheel, and sometimes areciprocating tool. The use of a wheel is not productive of verysatisfactory results,

g as the fiber of the leather is pressed down and condensed only in onedirection, and roughs up and becomes loose in wear, and, although thereciprocating` tool remedies this defect, the rotary-wheel machine wouldbe preferred, especially in burnishing sole edges, but for its actionupon the leather only in one direction.

In my invention I use a rotary burnishingtool, but I construct the toolin such manner that its action is intermittent, and I combine with itanother rotary tool, constructing and operating the two, so that eachsupplements the action of the other, each tool having, preferably, twoburnishing faces, and one face of one tool acting and then passing outof action upon the edge as one face of the other tool comes into actionwith the edge, the two having rapid rotation imparted to them, cansiugthem to act alternately and in opposite directions of rotation upon theedge to be burnished. It is in such an organization that my inventionprimarily consists.

The drawing represents a machine embodying my invention.

A shows the machine in front elevation. B is a side elevation of it. Oshows each burnisher in a position right angular to its position shownat A. a b denote two uprights or stands in which are journaled tworotary shafts, c d. The lower one of these shafts is a horizontal shaft,having at its front end a burnisher-wheel or plate, e, which plate isof` an oblong or oval shape, with two opposite end edges, f, thatconstitute the burnishing-faoes. Below this rotary burnishing-tool is arest and guide-plate, g, against which the bottom of the boot or shoe isheldin presenting the heel or sole edge to the action of the burnisher.The upper shaft d has at its front end an oblong or ovalburnishing-wheel or plate, h, and this wheel is made of long diameter,so that its opposite burnishing-edges o', in its path of rotation, actupon the sole or heel edge in the same horizontal plane that the edgesof the wheel c act, the two shafts c d being geared together androtating in opposite directions at the same speed, and the two wheelsrapidly alternating in their action upon the edge, so that by theiraction every part of the edge to be burnished is operated uponin'opposite directions by the two burnishing-tools. The two shafts c dmay be parallel, but, for the purposes of gearing and of bringing theacting surface of plate h as much as practicable beneath the wheel c,the upper shaft may be inclined, as shown, each projection 7c beinginclined to the face of the plate, so as to bring its burnishing-faceinto a horizontal plane at its moment of action. Each burnishing-surfaceis preferably so made as to extend in beyond the plane of the front faceof the restplate g, and to give acting burnishing-surfaces of just thesame width each projection k may be shouldered, as seen at Z. Therest-plate g may be adjusted in position by means of a screw-shank, m,working in a nut-thread in the upright a, and a check-nut, a, or by anyother suitable means.

l. A burnishing-machine having two rotary burnishing wheels or toolsacting alternately and intermittently in opposite directions, and in thesame plane or at the same point, substantially as described.

2. Also, the two oblong rotary burnisher wheels or plates c h, rotatingin concert, the wheel h having a projection, k, to form theburnishing-face, substantially as shown and described.

3. Also, in combination with the two rotary burnisher wheels or plates,operating as described, the rest-plate g, substantially as shown anddescribed.

Executed this 29th day of May, A. I). 1872.

AUGUSTUS O. CAREY.

Witnesses:

GEO. N. JOHNSON, WmSTUReIs,

